PowerShell批量设置PATH环境变量

PowerShell批量设置PATH环境变量
Code
#requires -version 4.0
#requires #-runasadministrator

# Get the ID and security principal of the current user account
$myWindowsID = [System.Security.Principal.WindowsIdentity]::GetCurrent();
$myWindowsPrincipal = New-Object System.Security.Principal.WindowsPrincipal($myWindowsID);

# Get the security principal for the administrator role
$adminRole = [System.Security.Principal.WindowsBuiltInRole]::Administrator;

# Check to see if we are currently running as an administrator
if ($myWindowsPrincipal.IsInRole($adminRole))
{
# We are running as an administrator, so change the title and background colour to indicate this
$Host.UI.RawUI.WindowTitle = $myInvocation.MyCommand.Definition + “(Elevated)”;
$Host.UI.RawUI.BackgroundColor =0;
Clear-Host;
}
else {
# We are not running as an administrator, so relaunch as administrator

# Create a new process object that starts PowerShell
$newProcess = New-Object System.Diagnostics.ProcessStartInfo “PowerShell”;

# Specify the current script path and name as a parameter with added scope and support for scripts with spaces in it’s path
$newProcess.Arguments = “& ‘” + $script:MyInvocation.MyCommand.Path + “‘”

# Indicate that the process should be elevated
$newProcess.Verb = “runas”;

# Start the new process
[System.Diagnostics.Process]::Start($newProcess);

# Exit from the current, unelevated, process
Exit;
}
$file=Get-Content -Path $PSScriptRoot”/env.txt”

$path=$env:Path

$floders=$env:Path.Split(“;”)

$index=0

foreach($line in $file){
if($floders.Contains($line)){
Write-Host $line” already exists in PATH variable!”
}
else{
if($path.Trim().EndsWith(“;”)){
$path=$path+$line
}
else{
$path=$path+”;”+$line
}
[System.Environment]::SetEnvironmentVariable(“Path”,$path,”Machine”)
$index++
Write-Host $index “: ” “Add ” $line “to PATH variable!”
}
}

cmd /c “pause”
EnvTxt
D:\Micro\Android\Sdk\platform-tools
D:\Program Files\cmder_mini
D:\MinGW\bin
D:\cmake\bin
C:\Program Files\MySQL\MySQL Server 8.0\bin
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\Scripts
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64
C:\Program Files\Java\jdk-11.0.2\bin
C:\Program Files\Java\jdk-11.0.2\jre\bin
D:\Program Files\Git\cmd
C:\Program Files\Microsoft SQL Server\130\Tools\Binn\
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\Scripts\
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\
注意事项
EnvTxt 必须为env.txt,且需要与ps脚本位于同一目录下
img
使用方法
在ps1脚本文件右键选择使用 PowerShell 运行，然后确认UAC提示框即可。

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